Denial-of-Service Vulnerability in SCALANCE S602, S612, S623, and S627-2M by Siemens
CVE-2019-13926

7.5HIGH

Key Information:

Vendor

Siemens
Status
Scalance S602
Scalance S612
Scalance S623
Scalance S627-2m
Vendor
CVE Published:
11 February 2020

What is CVE-2019-13926?

A vulnerability has been detected in various SCALANCE devices that may lead to a Denial-of-Service condition for the web server. When specially crafted packets are sent to port 443/tcp of affected models, it can result in server downtime. Restoring functionality requires a cold reboot of the device, which necessitates immediate action to prevent prolonged service interruptions.

Affected Version(s)

SCALANCE S602 All versions >= V3.0 and < V4.1

SCALANCE S612 All versions >= V3.0 and < V4.1

SCALANCE S623 All versions >= V3.0 and < V4.1

References

https://cert-portal.siemens.com/productcert/pdf/ssa-59140...
x_refsource_CONFIRM
https://www.us-cert.gov/ics/advisories/icsa-20-042-10
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CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.